Blog
Tests
Guides for testing your keyboard, mouse, screen, sound, network and other hardware, and for fixing what the tests find.
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Tests
How to compare system details on two computers
Compare processor, graphics, screen, battery, and network details on two computers, and learn which differences matter and what a browser cannot show.
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Tests
How to check a pixel defect at different brightness levels
Check whether a screen mark is a dead or stuck pixel by comparing it at several brightness levels, then learn what to try and when to seek repair.
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Tests
How to compare two drives without trusting labels
Compare two drives with repeatable read and write tests, identify which drive is being tested, and spot results distorted by the setup.
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Tests
How to test an SD card for photography
Check whether an SD card or flash drive is fast enough for photo imports, RAW bursts and video, and learn what a browser speed test can really tell you.
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Tests
How to inspect a tiny green speck near a screen edge
A tiny green speck near the screen edge may be a stuck subpixel, dust, or an overlay. Check it safely and learn when flashing is worth trying.
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Tests
How to check your PC before a video call
Check your camera, microphone, speakers, browser permissions and connection before an important video call, then work through common fixes.
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Tests
RAM latency explained in plain English
Learn what RAM latency means, how it differs from memory speed, and how to read response time in a browser test without chasing misleading numbers.
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Tests
Why aggressive upload caps waste bandwidth
See why a very low upload cap can waste capacity, how to test its effect on loaded delay, and how to raise it without bringing lag back.
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Tests
Adding RAM increases capacity but not benchmark speed
Adding RAM can stop slowdowns without raising a memory score. Learn how to compare results and tell whether capacity or speed changed.
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Tests
Touchscreen stops responding on a metal stand
Find out whether a metal stand, charger, case, or screen fault is causing missed taps, then test the touchscreen and try the fixes that fit.
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Tests
Text size changes when moving apps between monitors
Find out why text looks larger or smaller when you drag a window between monitors, then adjust display settings so apps stay readable.
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Tests
Battery Meter missing in Safari? What to check
Find out why the Battery Meter is missing in Safari, which devices can report battery data, and where to check charge status instead.